Validate your XML documents to ensure they are well-formed and follow syntax rules. This tool identifies structural errors, unclosed tags, and character issues with precise line and column diagnostics to help you fix data problems instantly.
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Tip
Always include an XML declaration like <?xml version='1.0' encoding='UTF-8'?> at the start of your file.
Did You Know?
XML is case-sensitive; <Tag> and <tag> are treated as completely different elements.
<Item> and <item> as different tags, leading to mismatch errors< or & within text without proper escapingBest Practice
Validate your XML in a CI/CD pipeline to prevent malformed configuration files from reaching production.
& for ampersands and < for less-than signsQ: What does "well-formed" mean in XML? A: It means the XML document adheres to the basic structural rules of the XML specification, such as proper nesting and quoted attributes.
Q: Does this tool check against a DTD or XSD? A: This tool focuses on syntax and well-formedness validation to ensure your document is parsable by standard XML engines.
Q: Why is my XML invalid even if the tags look correct? A: XML is strictly case-sensitive and does not allow spaces in tag names; check for these common subtle mistakes.
Tip
If you have a lot of special characters, use a CDATA section to wrap your content and avoid manual escaping.